J. Robert Oppenheimer led the scientific effort that created the world’s first atomic bomb during World War II. The Trinity test in 1945 produced an explosion equal to nearly 25,000 tons of TNT, ...

Add Yahoo as a preferred source to see more of our stories on Google. A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020.

North Korea warned this week that it might test a hydrogen bomb in the Pacific Ocean, after saying the country had already ...

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Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

LOS ANGELES - Scientists are finding traces of radioactive fallout from atomic bomb testing during the 1950s and 1960s in honey produced in the United States today. According to a study published on ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

https://www.pbs.org/wgbh/americanexperience/features/how-press-reported-atomic-bomb/ The New York Times proudly touted its exclusive coverage of the atomic bomb ...

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...